... on-time delivery ISO9001:2000 OEM/ODM services Filter partApplication: autosPrecision casting and CNC machiningNon-standard ... glass casting,sand casting, forging, surface treatment, hot treatment, CNC precision machining, Surface treatment: pickling, rounding, painting, degreasing, ... , stainless steel, carbon steel, alloy steel, gray iron, ductile iron... Products: fan wheels, pumping-using fan tools, ...